Iron Maiden released their second single 'The Trooper' on June 20th, 1983.

The song is a standout track from the album Piece Of Mind and features the iconic cover of Jethro Tull's 'Cross-Eyed Mary'.

Meanwhile, Iron Maiden is paying tribute to their late vocalist Paul Di Anno with the release.

Additionally, today marks notable birthdays for Bruce Dickinson and Michael Anthony Sobolewski.

In related news, Scar Symmetry's album 'Holographic Universe' turns 18, Underoath celebrates the 20th anniversary of their album 'Define The Great Line', Devin Townsend Project releases his album 'Deconstruction/Ghost' turns 15, FullForce marks their 12-year hiatus from music release with their album 'One', Tankard's compilation 'R.I.B.' celebrates its 11-year release milestone, and Cannabis Corpse's album 'From Wisdom to Baked' hits the 14-year mark.

Rest in peace Bernadette Jean Kelly Johnson of Girlschool.